Home / 52,756.38-79,134.56-15,820.38

Finding the Fourth Proportional to 52,756.38, 79,134.56 and 15,820.38

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Solution

The fourth proportional to 52,756.38, 79,134.56 and 15,820.38 is: 23,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.38 : 79,134.56 = 15,820.38 : x
  2. Step 2: Convert to fraction form
    52,756.38/79,134.56 = 15,820.38/x
  3. Step 3: Cross multiply
    52,756.38x = 79,134.56 × 15,820.38
  4. Step 4: Simplify right side
    52,756.38x = 1,251,938,810.33
  5. Step 5: Solve for x
    x = 1,251,938,810.33/52,756.38
  6. Step 6: Final answer
    x = 23,730.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.